GT Advanced Technologies Inc. is a diversified technology company. The Company is engaged in producing advanced materials and equipment for the consumer electronics, power electronics, solar and Light Emitting Diodes (LED) industries. The Company�s products are designed to accelerate the adoption of advanced materials that improve performance and lower the cost of manufacturing. The Company operates its business in three segments: sapphire, polysilicon business and photovoltaic (PV). The sapphire business is engaged in producing and supplying ASF sapphire growth furnace and sapphire material. The polysilicon business focuses on product design, quality control, engineering services, project management and process development related to the production of polysilicon. The PV business is focused on the development, manufacture and sales of crystallization growth furnaces to produce silicon ingots used in the production of solar wafers and cells.